no..
i mean that:
why 30ml HCl+25ml NaOH,temperature changed=5'C
25ml HCl+30ml NaOH,temperature changed=5'C
why the temperature changed is the same?the initial tempereature of HCl is 21'C
Some answers to that question are given in your other post today, over here:
http://www.chemicalforums.com/index.php?topic=31624.msg120723#msg120723You should try to avoid doing that, starting new threads for different parts of the same question, they're eventually going to connect, and we don't need the redundancy.